Author:Hardman, DR; Creedy, DP; Phillips, HRDate:Jun 2001Many South African coal mines contain large areas sealed off from the mine ventilation. These areas contain an atmosphere sampled only at or near the seals. The research described in this report was commissioned to examine whether the current ...Read more
Author:Altounyan, P; Clifford, BDate:Oct 2001The use of tendons is the primary means of support in underground collieries. Therefore, in order to introduce safer and more effective tendon support systems, the performance of tendon reinforcement has been assessed. In the main South African ...Read more